Microsoft Azure Stack is an extension of Azure—bringing the agility and innovation of cloud computing to your on-premises environment and enabling the only hybrid cloud that allows you to build and deploy hybrid applications anywhere. We bring together the best of the edge and cloud to deliver Azure services anywhere in your environment.

The following client libraries depend on the preceding APIs and will be affected:

- .NET SDK NuGet packages for Microsoft.Azure.Management.ApiManagement prior to version 4.0.0-preview
- PowerShell cmdlet modules for AzureRm.ApiManagement prior to version 6.1.0
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All existing Java, Node, and Go client libraries will not be affected.

Customers who are using (and who rely on) any of the preceding API versions, libraries, or custom tools and integrations must upgrade to the newer versions before October 1, 2019, to avoid service interruption.